Histology Full Unit

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Histology

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59 Terms

1

Histology

The anatomical study of the microscopic structure of animal and plant tissue

<p>The anatomical study of the microscopic structure of animal and plant tissue</p>
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2

Free Surface

Cells that line passageways (vessles, digestive system, air, etc...

<p>Cells that line passageways (vessles, digestive system, air, etc...</p>
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3

Basement Membrane

Anchors epithelial tissue to the musculature... Think of the basement of a house, anchoring the house to the ground; last row of cells attach to this

<p>Anchors epithelial tissue to the musculature... Think of the basement of a house, anchoring the house to the ground; last row of cells attach to this</p>
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4

Cell Connections

Bind cells together; provide permeability barrier and communication; think of a kid building blocks, cells are like the blocks, they wouldn't get knocked over if they had been connected

<p>Bind cells together; provide permeability barrier and communication; think of a kid building blocks, cells are like the blocks, they wouldn&apos;t get knocked over if they had been connected</p>
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5

Desmosomes

Cell to cell connection; glycoproteins are like a natural, biological glue; filaments=protein wire

<p>Cell to cell connection; glycoproteins are like a natural, biological glue; filaments=protein wire</p>
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6

Hemidesmosomes

Cell to basement membrane cell connection

<p>Cell to basement membrane cell connection</p>
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7

Tight Junctions

Hld cells together, act like a Zip Lock Bag - will not let out water; Consists of two parts Zonula Aderens and Zonula Occtudens

<p>Hld cells together, act like a Zip Lock Bag - will not let out water; Consists of two parts Zonula Aderens and Zonula Occtudens</p>
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8

Zonula Adherens

Runs the lenth of the cell; actin protein

<p>Runs the lenth of the cell; actin protein</p>
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9

Zonula Occludens

Runs the lenth of the cell; HUGE thicc (not as thicc as you tho) fibers; at junction, actin tough filaments

<p>Runs the lenth of the cell; HUGE thicc (not as thicc as you tho) fibers; at junction, actin tough filaments</p>
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10

Gap Juntions

Hold two parts, and allow molecules and ions through. Think of rivets

<p>Hold two parts, and allow molecules and ions through. Think of rivets</p>
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11

Glands

Lined with epithelial tissue; produce secretion

<p>Lined with epithelial tissue; produce secretion</p>
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12

Endocrine Gland

An aggregate of cells WITHOUT a duct; relies on bloodstream and release of hormones

<p>An aggregate of cells WITHOUT a duct; relies on bloodstream and release of hormones</p>
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13

Exocrine Glands

Has a duct; a flask made of an aggregate of cells

<p>Has a duct; a flask made of an aggregate of cells</p>
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14

Merocrine Glands

Water producing sweat glands; take materials from blood vessels like salt and water.

<p>Water producing sweat glands; take materials from blood vessels like salt and water.</p>
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15

Apocrine Gland

Discharges fragments of the gland cells in the secretion

<p>Discharges fragments of the gland cells in the secretion</p>
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16

Holocrine Glands

Shed entire cells; entire cell becomes part of secretion

<p>Shed entire cells; entire cell becomes part of secretion</p>
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17

Connective Tissue

They support and suspend

<p>They support and suspend</p>
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18

Matrix

Background material; 3 parts: protein fibers, ground substance, and fluid; can be thin and watery or thick like cartilage (or your ass)

<p>Background material; 3 parts: protein fibers, ground substance, and fluid; can be thin and watery or thick like cartilage (or your ass)</p>
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19

Collagen Fibers

Thicker, rope like, strong, long protein, support watery environment; ligaments/tendons

<p>Thicker, rope like, strong, long protein, support watery environment; ligaments/tendons</p>
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20

Reticular Fibers

Very fine, short, thin collogen, fibers; tendency to form an interlocking network; filler material; every basement membrane, organs (spleen, liver, kidneys)

<p>Very fine, short, thin collogen, fibers; tendency to form an interlocking network; filler material; every basement membrane, organs (spleen, liver, kidneys)</p>
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21

Elastic Fibers

Contain protein elastin; its own category of protein, suspension like rubber band, found in all basement membranes

<p>Contain protein elastin; its own category of protein, suspension like rubber band, found in all basement membranes</p>
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22

Blasts

Do bulk of work: young, active, and create matrix ex: Fibroblasts

<p>Do bulk of work: young, active, and create matrix ex: Fibroblasts</p>
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23

Cytes

Put polish on; maintain the matrix mature cells ex: Fibrocytes

<p>Put polish on; maintain the matrix mature cells ex: Fibrocytes</p>
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24

Ground Substance

The liquid, gelatinous or very dense substance that is the matrix minus fibers, blood vessels etc...

<p>The liquid, gelatinous or very dense substance that is the matrix minus fibers, blood vessels etc...</p>
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25

Squamous "Flat"

Interlock like a puzzle huge thin sheet. They transfer nutrients ex: lungs

<p>Interlock like a puzzle huge thin sheet. They transfer nutrients ex: lungs</p>
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26

Cuboidal "cube"

As tall as they are wide. If most appear cuboidal it is cuboidal epithelial tissue

<p>As tall as they are wide. If most appear cuboidal it is cuboidal epithelial tissue</p>
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27

Columnar "columns"

Taller than wide. Some have cilia. If cells are ciliated, must be columnar. Cilia sweeps away mucus.

<p>Taller than wide. Some have cilia. If cells are ciliated, must be columnar. Cilia sweeps away mucus.</p>
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28

Goblet Cells

Produce mucus. Only found in columnar cells, but not all columnar have mucus.

<p>Produce mucus. Only found in columnar cells, but not all columnar have mucus.</p>
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29

Simple Arrangement

Only one layer

<p>Only one layer</p>
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30

Stratified Arragement

Two or more layers

<p>Two or more layers</p>
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31

Pseudostratified

One layer of cells, but it looks like many due to the different heights of the nuclei

<p>One layer of cells, but it looks like many due to the different heights of the nuclei</p>
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32

Transitional Epithelial Tissue

Alter shape on circumstance; look half stratified, half cuboidal. Cytoplasm pushes up on the membrane

<p>Alter shape on circumstance; look half stratified, half cuboidal. Cytoplasm pushes up on the membrane</p>
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33

Urinary bladder

If empty, stratified cuboidal or columnar. If full stiatified squamous. Always look at the top 2-3 layers.

<p>If empty, stratified cuboidal or columnar. If full stiatified squamous. Always look at the top 2-3 layers.</p>
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34

4 Main types of tissues

Epithelial, Connective, Muscular, Nervous

<p>Epithelial, Connective, Muscular, Nervous</p>
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35

Epithelial

Protective Covering

<p>Protective Covering</p>
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36

Connective

Supportive and connecting structures, Provide barrier, Passage for substances, secretes substances

<p>Supportive and connecting structures, Provide barrier, Passage for substances, secretes substances</p>
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37

Muscular

Movement

<p>Movement</p>
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38

Nervous

Communication

<p>Communication</p>
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39

Squamous

Flat, jigsaw pieces are blue, purple cytoplasm; blue nucleus. Their function is to diffuse, filter, secrete, and absorb. These are found in the lining of blood vessels, Alveoli, Lining of body cavities. Cells are enable molecules to be distributed rapidly, large surface area to volume ratio

<p>Flat, jigsaw pieces are blue, purple cytoplasm; blue nucleus. Their function is to diffuse, filter, secrete, and absorb. These are found in the lining of blood vessels, Alveoli, Lining of body cavities. Cells are enable molecules to be distributed rapidly, large surface area to volume ratio</p>
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40

Simple Cuboidal

Small cube-like shape (rarely perfect cube). The function is to diffuse molecules and transport secretions. They are found in the Kidney Tubules and Glands and gland ducts. ex: ring shaped formation around urine in the kidneys and around a developing egg in the ovaries

<p>Small cube-like shape (rarely perfect cube). The function is to diffuse molecules and transport secretions. They are found in the Kidney Tubules and Glands and gland ducts. ex: ring shaped formation around urine in the kidneys and around a developing egg in the ovaries</p>
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41

Simple Columnar

Elongated Nuclei, Blue cytoplasm, can have cilia and goblets. Found in the stomach, colon, and Fallopian tube

<p>Elongated Nuclei, Blue cytoplasm, can have cilia and goblets. Found in the stomach, colon, and Fallopian tube</p>
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42

Stratified Squamous

Top layer clearly stratified. Bottom layers undefined cells. The function is to PROTECT against abrasion. Found in the esophagus and the vagina

<p>Top layer clearly stratified. Bottom layers undefined cells. The function is to PROTECT against abrasion. Found in the esophagus and the vagina</p>
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43

Stratified Squamous-Keratinized

Top layer of cells- dead, lower layers are living. Their function is protection against abrasion. These are found in on the skin

<p>Top layer of cells- dead, lower layers are living. Their function is protection against abrasion. These are found in on the skin</p>
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44

Transitional Epithelial Tissue

Stratified cells with irregular shapes. Function is to accommodate fluctuations in volume of fluid. The can be found in the urinary bladder.

<p>Stratified cells with irregular shapes. Function is to accommodate fluctuations in volume of fluid. The can be found in the urinary bladder.</p>
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45

Pseudostratified Columnar

Little cellular definition, a single layer of cells but not all reach the free surface, contain cilia. Function is to synthesize and secrete mucus. Can be found in the nasal cavity, trachea, bronchi. NUCLEI LOOK STRATIFIED BUT AREN'T

<p>Little cellular definition, a single layer of cells but not all reach the free surface, contain cilia. Function is to synthesize and secrete mucus. Can be found in the nasal cavity, trachea, bronchi. NUCLEI LOOK STRATIFIED BUT AREN&apos;T</p>
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46

Glandular Epithelial Tissue

Simple Columnar Epithelial Tissue. Dark Nuclei at edge, free surface passageway at center, big goblets therefore produces GOBS of mucus

<p>Simple Columnar Epithelial Tissue. Dark Nuclei at edge, free surface passageway at center, big goblets therefore produces GOBS of mucus</p>
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47

Connective Tissue

Enclose and Separate, connecting tissues to one another, support and movement, storage, cushion and insulate

<p>Enclose and Separate, connecting tissues to one another, support and movement, storage, cushion and insulate</p>
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48

Adipose Tissue (FAT)

Ribbon-like cytoplasm, Large 'empty' space in the middle of the cell. Function is to insulate, store energy, and protect. Found throughout the body (Its fat dumbass)

<p>Ribbon-like cytoplasm, Large &apos;empty&apos; space in the middle of the cell. Function is to insulate, store energy, and protect. Found throughout the body (Its fat dumbass)</p>
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49

Adipose Tissue info

Your liver stores sugar as glycogen, or converted to fat. Ribbon looking part is cytoplasm one nucleus per cell. Looks like yellow blobs. When you lose weight, you don't lose your fat cells, just the fat in them

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50

Dense Regular

Fibers run in the same direction, little matrix visible. Function is for strength, resists pulling forces, attaches structures. Found in Tendons and Ligaments

<p>Fibers run in the same direction, little matrix visible. Function is for strength, resists pulling forces, attaches structures. Found in Tendons and Ligaments</p>
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51

Reticular

Fibers arranged in circle shape. Function is for lymph nodes structure, and support and strengthen the tissues. Found in lymph nodes, spleen and bone marrow

<p>Fibers arranged in circle shape. Function is for lymph nodes structure, and support and strengthen the tissues. Found in lymph nodes, spleen and bone marrow</p>
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52

Hyaline Cartilage

Cartilage cells (chondrocytes) surrounded by transparent collagen fibers, Chondrocytes surrounded by purple lacunae. Their function is to Rigid support with flexibility, foundation for bone formation, provide free movement between bones. Found in long bones, and articulating surface of bones

<p>Cartilage cells (chondrocytes) surrounded by transparent collagen fibers, Chondrocytes surrounded by purple lacunae. Their function is to Rigid support with flexibility, foundation for bone formation, provide free movement between bones. Found in long bones, and articulating surface of bones</p>
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53

Elastic Cartilage

Found on ribs attach to the sternum by elastic cartilage. Pinkish and the back fuzzies are the elastic cartilage (bruh) ex) Ear

<p>Found on ribs attach to the sternum by elastic cartilage. Pinkish and the back fuzzies are the elastic cartilage (bruh) ex) Ear</p>
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54

Fibro Cartilage

Similar to hyaline cartilage but with lots more collagen fibers

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55

Areolar/ Loose Connective Tissue

Found of the basement membrane of epididymus

<p>Found of the basement membrane of epididymus</p>
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56

Mucus Connective Tissue

Only found this tissue in the womb of the umbilical cord. Has Wharton's Jelly between fibers. Very fiberous

<p>Only found this tissue in the womb of the umbilical cord. Has Wharton&apos;s Jelly between fibers. Very fiberous</p>
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57

Cancellous Bone Cell

Lattice structure and pink. Function is to scaffold without adding weight. Found in the interior of flat bones and Ends of long bones

<p>Lattice structure and pink. Function is to scaffold without adding weight. Found in the interior of flat bones and Ends of long bones</p>
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58

Compact Bone Cell

Concentric circles around a central canal, Bone cells surrounded by lacunae. Function is to strengthen and support. Found in the outer portion of flat bones, Shafts of long bones

<p>Concentric circles around a central canal, Bone cells surrounded by lacunae. Function is to strengthen and support. Found in the outer portion of flat bones, Shafts of long bones</p>
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59

Bone Cell

Blood cells, fluid matrix. The function is to transport nutrients and remove waste. Found in the vessels

<p>Blood cells, fluid matrix. The function is to transport nutrients and remove waste. Found in the vessels</p>
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